Head-to-head
Pick two athletes to see how the race played out between them — by actual time, head start, and checkpoint.
Athlete A
OfficialRobert Mcbride
#351 · 1:11:48 · M48 · Group V · INV
Wave start 8:20 AM (V-INV)
Athlete B
OfficialEmily Zhong
#349 · 1:15:45 · F28 · Group Q · INV
Wave start 8:16 AM (Q-INV)
Comparison report
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The PDF includes the interpretation, deltas, race timeline, position-through-the-course chart, and segment-by-segment splits shown below.
Interpretation
Robert (V-INV) started at 8:20 AM; Emily (Q-INV) started at 8:16 AM. That gave Emily a 4 minutes head start on Robert. On foot, Robert ran 1:11:48 and Emily ran 1:15:45 — Robert was 3:57 faster than Emily. Robert took official place 351st (time-based 384th) and Emily took official place 349th (time-based 515th). Emily's head start was enough to flip the official order even though Robert was faster on foot. Biggest swing: Robert gained 1:30 from Cardiac to White Gate.
Deltas
ComputedWave start
Emily Zhong (Q-INV) started 4 min earlier than Robert (V-INV).
- Overall place Δ
- +2
- Actual time Δ
- -3:57
- Section gap Δ
- ±0 (same section)
- Wave start Δ
- 4 min (Emily earlier)
- Finish clock Δ
- +0:03
- Section place Δ
- -19
Δ = Robert − Emily. Negative means Robert is ahead/faster.
Race timeline
Computed- Emily (Q-INV) started at 8:16 AM.
- Robert (V-INV) started at 8:20 AM, 4:00 later.
- Actual running time: Robert was 3:57 faster on foot than Emily.
- Finish clock: Emily crossed the line 0:03 ahead of Robert — Emily wins this head-to-head.
Δ (A − B): actual -3:57 · finish clock +0:03.
Position through the course
OfficialSegment-by-segment splits
Official| Segment | Robert | Emily | Δ |
|---|---|---|---|
| Start to Top of Stairs | 8:23 | 9:02 | -0:39 |
| Stairs to Windy Gap | 6:17 | 6:15 | +0:02 |
| Windy Gap to Muir Woods | 5:14 | 6:35 | -1:21 |
| Muir Woods to Cardiac | 28:43 | 28:55 | -0:12 |
| Cardiac to White Gate | 14:04 | 15:34 | -1:30 |
| White Gate to The Stile | 7:02 | 7:24 | -0:22 |
| The Stile to Finish | 2:05 | 2:00 | +0:05 |
Δ negative = Robert ran the segment faster.